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CLued.1916
CLued.1916
Associate
January 23, 2020
Question

Has anyone been successful in getting a STM32F7 series to work with Raspberry Pi 7" touchscreen?

  • January 23, 2020
  • 10 replies
  • 1940 views

STM32F769I-DISCO offers a part to get it compatible with the RP MIPI DSI 7" Screen (B-LCDAD-RPI1) but there is no firmware support from either company. Does anyone have any information on how to get the two compatible? and if not, is there any other suggestions to upgrading the 4" DSI screen to a different 7" screen that would be much easier to use? Our search so far has been unsuccessful.

Any help at all would be appreciated, Thank You!

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10 replies

Tesla DeLorean
Tesla DeLorean
Guru
January 23, 2020

Whatever the screen, it is about the clocks, and the sync, porches and active line lengths. Might have to adapt the existing DSI examples to program alternate parameters.

Can probably pull the values from the Linux source.

Touch via I2C?

Seem to recall a YouTube video of the RPi screen on a STM32F769I-DISC1 with adapter. I've got the HDMI working across a variety of screen resolutions.

I have an RPi screen and adapter, would just need to be worth my while.

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CLued.1916
CLued.1916Author
Associate
January 23, 2020

I've looked and there is no such help on youtube unless you have a link?

TDJ
TDJ
Senior III
May 8, 2020

@CLued.1916​ Have you succeeded? I think the main part of the problem is Raspberry Pi is NOT open source and some secrets are keeps particularly well.

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